Year	% gross
1972	80.7666625976562
1973	54.6249694824219
1974	74.6943588256836
1975	69.3112030029297
1976	73.7416305541992
1977	75.3180389404297
1978	62.7653694152832
1992	98.3179092407227
2000	80.2677612304688
2007	111.461891174316
2008	121.367279052734
2009	117.816329956055
2010	114.838012695312
2011	115.565589904785
2012	116.689872741699
2014	114.909660339355
2015	117.027770996094
2017	116.530403137207
2018	120.935958862305
